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<a href="MidiFileParser_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="preprocessor">#include &lt;math.h&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="preprocessor">#include &quot;MidiFileParserState.h&quot;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="preprocessor">#ifndef ARDUINO</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &lt;chrono&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &lt;cstdint&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span>uint64_t millis() {</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>  <span class="keyword">using namespace </span>std::chrono;</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>  <span class="keywordflow">return</span> duration_cast&lt;milliseconds&gt;(system_clock::now().time_since_epoch()).count();</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>}</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#define MIDI_BUFFER_SIZE 1024 * 2</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="preprocessor">#define MIDI_MIN_REFILL_SIZE 512 </span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="classMidiFileParser.html">   40</a></span><span class="keyword">class </span><a class="code hl_class" href="classMidiFileParser.html">MidiFileParser</a> {</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#ad7bbe158a3f1be88652c2b9fff465964">   43</a></span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classMidiFileParser.html#ad7bbe158a3f1be88652c2b9fff465964">begin</a>(<span class="keywordtype">bool</span> log = <span class="keyword">true</span>, <span class="keywordtype">int</span> bufferSize = MIDI_BUFFER_SIZE) {</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span>    log_active = log;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>    parser_state.in.resize(bufferSize);</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>    is_ok = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>    reset();</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>  }</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#a00910f57366bdad25f8fe01fef2acc2a">   52</a></span>  <span class="keywordtype">size_t</span> <a class="code hl_function" href="classMidiFileParser.html#a00910f57366bdad25f8fe01fef2acc2a">write</a>(<span class="keyword">const</span> uint8_t *data, <span class="keywordtype">size_t</span> len) {</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>    <span class="comment">// store actual processing length</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>    <span class="keywordflow">if</span> (len &gt; 0) {</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>      write_len = len;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>    } </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>    <span class="comment">// write only if data is available</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>    <span class="keywordflow">if</span> (len &lt; parser_state.in.availableForWrite()) {</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>      <span class="keywordflow">return</span> parser_state.in.write(data, len);</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    }</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>  }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#a0dc2762b4d87af0087f21c9c278c5614">   65</a></span>  <span class="keywordtype">int</span> <a class="code hl_function" href="classMidiFileParser.html#a0dc2762b4d87af0087f21c9c278c5614">availableForWrite</a>() { <span class="keywordflow">return</span> parser_state.in.availableForWrite(); }</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#acb5853d609f260fbafc147989ce1ee22">   68</a></span>  <a class="code hl_struct" href="structmidi__parser__state.html">midi_parser_state</a> &amp;<a class="code hl_function" href="classMidiFileParser.html#acb5853d609f260fbafc147989ce1ee22">parse</a>() {</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>    <span class="comment">// parse next element</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>    parser_state.status = MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>    <span class="keywordflow">if</span> (!parser_state.in.isEmpty()) {</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>      midi_parser_status status = midi_parse();</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>      parser_state.status = status;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>      <span class="keywordflow">if</span> (log_active) {</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>        logStatus(status);</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>      }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>    }</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>    <span class="comment">// update is_ok</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>    <span class="keywordflow">if</span> (parser_state.status == MIDI_PARSER_EOB || parser_state.status == MIDI_PARSER_ERROR ){</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>      is_ok = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    }</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    <span class="keywordflow">return</span> parser_state;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>  }</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#a0362184b6df710255381582f2033e666">   86</a></span>  <a class="code hl_struct" href="structmidi__parser__state.html">midi_parser_state</a> &amp;<a class="code hl_function" href="classMidiFileParser.html#a0362184b6df710255381582f2033e666">parseTimed</a>() {</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    <span class="keyword">static</span> midi_parser_status last_status;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>    <span class="keyword">static</span> uint64_t timeout=0l;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>    <span class="comment">// Wait for event to become relevant</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>    <span class="keywordflow">if</span> (timeout != 0l){</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>      <span class="keywordflow">if</span> (millis()&lt;timeout){</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>        last_status = parser_state.status;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>        parser_state.status = MIDI_PARSER_DELAY;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>        <span class="keywordflow">return</span> parser_state;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>      }</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>      parser_state.status = last_status;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>      <span class="keywordflow">if</span> (log_active) {</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>        logStatus(last_status);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>      }</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>      timeout = 0;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>      <span class="keywordflow">return</span> parser_state;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>    }</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    <span class="comment">// Parse next element</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    parser_state.status = MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>    <span class="keywordflow">if</span> (!parser_state.in.isEmpty()) {</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>      midi_parser_status status = midi_parse();</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>      <span class="comment">// delay result ?</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>      <span class="keywordflow">if</span> (parser_state.timeInMs()&gt;0){</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>        timeout = millis()+parser_state.timeInMs();</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>        last_status = status;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>        parser_state.status = MIDI_PARSER_DELAY;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>      } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>        parser_state.status = status;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>      }</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>    }</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    <span class="comment">// Update is_ok to false when we have an error or we are at the end</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    <span class="keywordflow">if</span> (parser_state.status == MIDI_PARSER_EOB || parser_state.status == MIDI_PARSER_ERROR ){</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>      is_ok = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    }</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    <span class="keywordflow">return</span> parser_state;  </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>  }</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#a16754945cbdab731ac0e32123fe8607f">  129</a></span>  <span class="keyword">operator</span> bool() {</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>    <span class="keywordflow">return</span> is_ok;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>  }</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#a790c7392e372f2c69fe6b7b34ad6c14f">  134</a></span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classMidiFileParser.html#a790c7392e372f2c69fe6b7b34ad6c14f">end</a>() {</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>  }</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#a52c6ab27a7ec21a9598fa9808f504f83">  138</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code hl_function" href="classMidiFileParser.html#a52c6ab27a7ec21a9598fa9808f504f83">midi_status_name</a>(<span class="keywordtype">int</span> status) {</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>    <span class="keywordflow">switch</span> (status) {</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    <span class="keywordflow">case</span> MIDI_STATUS_NOTE_OFF:</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Note Off&quot;</span>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>    <span class="keywordflow">case</span> MIDI_STATUS_NOTE_ON:</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Note On&quot;</span>;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>    <span class="keywordflow">case</span> MIDI_STATUS_NOTE_AT:</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Note Aftertouch&quot;</span>;</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>    <span class="keywordflow">case</span> MIDI_STATUS_CC:</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;CC&quot;</span>;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>    <span class="keywordflow">case</span> MIDI_STATUS_PGM_CHANGE:</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Program Change&quot;</span>;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>    <span class="keywordflow">case</span> MIDI_STATUS_CHANNEL_AT:</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Channel Aftertouch&quot;</span>;</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>    <span class="keywordflow">case</span> MIDI_STATUS_PITCH_BEND:</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Pitch Bend&quot;</span>;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;(unknown)&quot;</span>;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>    }</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>  }</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#a286596325645e9cceeed3743606f9bf0">  161</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code hl_function" href="classMidiFileParser.html#a286596325645e9cceeed3743606f9bf0">midi_file_format_name</a>(<span class="keywordtype">int</span> fmt) {</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>    <span class="keywordflow">switch</span> (fmt) {</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>    <span class="keywordflow">case</span> MIDI_FILE_FORMAT_SINGLE_TRACK:</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;single track&quot;</span>;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>    <span class="keywordflow">case</span> MIDI_FILE_FORMAT_MULTIPLE_TRACKS:</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;multiple tracks&quot;</span>;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>    <span class="keywordflow">case</span> MIDI_FILE_FORMAT_MULTIPLE_SONGS:</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;multiple songs&quot;</span>;</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;(unknown)&quot;</span>;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>    }</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>  }</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"><a class="line" href="classMidiFileParser.html#a11278448ca897f66eafe820fbca8e73f">  176</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code hl_function" href="classMidiFileParser.html#a11278448ca897f66eafe820fbca8e73f">midi_meta_name</a>(<span class="keywordtype">int</span> type) {</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>    <span class="keywordflow">switch</span> (type) {</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>    <span class="keywordflow">case</span> MIDI_META_SEQ_NUM:</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Sequence Number&quot;</span>;</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>    <span class="keywordflow">case</span> MIDI_META_TEXT:</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Text&quot;</span>;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>    <span class="keywordflow">case</span> MIDI_META_COPYRIGHT:</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Copyright&quot;</span>;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    <span class="keywordflow">case</span> MIDI_META_TRACK_NAME:</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Track Name&quot;</span>;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>    <span class="keywordflow">case</span> MIDI_META_INSTRUMENT_NAME:</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Instrument Name&quot;</span>;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>    <span class="keywordflow">case</span> MIDI_META_LYRICS:</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Lyrics&quot;</span>;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>    <span class="keywordflow">case</span> MIDI_META_MAKER:</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Maker&quot;</span>;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>    <span class="keywordflow">case</span> MIDI_META_CUE_POINT:</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Cue Point&quot;</span>;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>    <span class="keywordflow">case</span> MIDI_META_CHANNEL_PREFIX:</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Channel Prefix&quot;</span>;</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>    <span class="keywordflow">case</span> MIDI_META_END_OF_TRACK:</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;End of Track&quot;</span>;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>    <span class="keywordflow">case</span> MIDI_META_SET_TEMPO:</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Set Tempo&quot;</span>;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>    <span class="keywordflow">case</span> MIDI_META_SMPTE_OFFSET:</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;SMPTE Offset&quot;</span>;</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>    <span class="keywordflow">case</span> MIDI_META_TIME_SIGNATURE:</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Time Signature&quot;</span>;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>    <span class="keywordflow">case</span> MIDI_META_KEY_SIGNATURE:</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Key Signature&quot;</span>;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>    <span class="keywordflow">case</span> MIDI_META_SEQ_SPECIFIC:</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Sequencer Specific&quot;</span>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>      <span class="keywordflow">return</span> <span class="stringliteral">&quot;(unknown)&quot;</span>;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>    }</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>  }</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>  <span class="keywordtype">bool</span> log_active = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>  <span class="keywordtype">int</span> write_len = 256;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>  <a class="code hl_struct" href="structmidi__parser__state.html">midi_parser_state</a> parser_state;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>  <span class="keywordtype">bool</span> is_ok = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>  <span class="keywordtype">void</span> logStatus(midi_parser_status status) {</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>    <span class="keywordflow">switch</span> (status) {</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>    <span class="keywordflow">case</span> MIDI_PARSER_EOB:</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>      printf(<span class="stringliteral">&quot;MIDI_PARSER_EOB\n&quot;</span>);</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>    <span class="keywordflow">case</span> MIDI_PARSER_ERROR:</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>      printf(<span class="stringliteral">&quot;MIDI_PARSER_ERROR\n&quot;</span>);</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>    <span class="keywordflow">case</span> MIDI_PARSER_INIT:</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>      printf(<span class="stringliteral">&quot;MIDI_PARSER_INIT\n&quot;</span>);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>    <span class="keywordflow">case</span> MIDI_PARSER_HEADER:</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>      printf(<span class="stringliteral">&quot;\nheader\n&quot;</span>);</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>      printf(<span class="stringliteral">&quot;  size: %d\n&quot;</span>, parser_state.header.size);</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>      printf(<span class="stringliteral">&quot;  format: %d [%s]\n&quot;</span>, parser_state.header.format,</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>             <a class="code hl_function" href="classMidiFileParser.html#a286596325645e9cceeed3743606f9bf0">midi_file_format_name</a>(parser_state.header.format));</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>      printf(<span class="stringliteral">&quot;  tracks count: %d\n&quot;</span>, parser_state.header.tracks_count);</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>      printf(<span class="stringliteral">&quot;  time division: %d\n&quot;</span>, parser_state.header.time_division);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span> </div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>    <span class="keywordflow">case</span> MIDI_PARSER_TRACK:</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>      printf(<span class="stringliteral">&quot;\ntrack\n&quot;</span>);</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>      printf(<span class="stringliteral">&quot;  length: %d\n&quot;</span>, parser_state.track.size);</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span> </div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>    <span class="keywordflow">case</span> MIDI_PARSER_TRACK_MIDI:</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>      printf(<span class="stringliteral">&quot;\ntrack-midi\n&quot;</span>);</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>      printf(<span class="stringliteral">&quot;  time: %ld\n&quot;</span>, (<span class="keywordtype">long</span>)parser_state.vtime);</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>      printf(<span class="stringliteral">&quot;  status: %d [%s]\n&quot;</span>, parser_state.midi.status,</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>             <a class="code hl_function" href="classMidiFileParser.html#a52c6ab27a7ec21a9598fa9808f504f83">midi_status_name</a>(parser_state.midi.status));</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>      printf(<span class="stringliteral">&quot;  channel: %d\n&quot;</span>, parser_state.midi.channel);</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>      printf(<span class="stringliteral">&quot;  param1: %d\n&quot;</span>, parser_state.midi.param1);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>      printf(<span class="stringliteral">&quot;  param2: %d\n&quot;</span>, parser_state.midi.param2);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>    <span class="keywordflow">case</span> MIDI_PARSER_TRACK_META:</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>      printf(<span class="stringliteral">&quot;\ntrack-meta\n&quot;</span>);</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>      printf(<span class="stringliteral">&quot;  time: %ld\n&quot;</span>, (<span class="keywordtype">long</span>)parser_state.vtime);</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>      printf(<span class="stringliteral">&quot;  type: %d [%s]\n&quot;</span>, parser_state.meta.type,</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>             <a class="code hl_function" href="classMidiFileParser.html#a11278448ca897f66eafe820fbca8e73f">midi_meta_name</a>(parser_state.meta.type));</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>      printf(<span class="stringliteral">&quot;  length: %d\n&quot;</span>, parser_state.meta.length);</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span> </div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>    <span class="keywordflow">case</span> MIDI_PARSER_TRACK_SYSEX:</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>      printf(<span class="stringliteral">&quot;\ntrack-sysex\n&quot;</span>);</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>      printf(<span class="stringliteral">&quot;  time: %ld\n&quot;</span>, (<span class="keywordtype">long</span>)parser_state.vtime);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>      printf(<span class="stringliteral">&quot;\nunhandled state: %d\n&quot;</span>, status);</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>    }</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>  }</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span> </div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>  <span class="keywordtype">void</span> reset() {</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>    parser_state.in.reset();</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>    parser_state.status = MIDI_PARSER_INIT;</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>    parser_state.status_internal = MIDI_PARSER_INIT;</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>  }</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>  <span class="keywordtype">int</span> midi_event_datalen(<span class="keywordtype">int</span> status) {</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>    <span class="keywordflow">switch</span> (status) {</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>    <span class="keywordflow">case</span> MIDI_STATUS_PGM_CHANGE:</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>      <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>    <span class="keywordflow">case</span> MIDI_STATUS_CHANNEL_AT:</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>      <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>      <span class="keywordflow">return</span> 2;</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>    }</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>  }</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span> </div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>  uint16_t midi_parse_be16(<span class="keyword">const</span> uint8_t *in) { </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>    <span class="keywordflow">return</span> (<span class="keyword">static_cast&lt;</span>uint16_t<span class="keyword">&gt;</span>(in[0]) &lt;&lt; 8) | in[1]; </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>  }</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>  uint32_t midi_parse_be32(<span class="keyword">const</span> uint8_t *in) {</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>    <span class="keywordflow">return</span> (<span class="keyword">static_cast&lt;</span>uint32_t<span class="keyword">&gt;</span>(in[0]) &lt;&lt; 24) | (<span class="keyword">static_cast&lt;</span>uint32_t<span class="keyword">&gt;</span>(in[1]) &lt;&lt; 16) | <span class="keyword">static_cast&lt;</span>uint32_t<span class="keyword">&gt;</span>((in[2]) &lt;&lt; 8) | in[3];</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>  }</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span> </div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>  uint64_t midi_parse_N(<span class="keyword">const</span> uint8_t*from_bytes, <span class="keywordtype">int</span> len){</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>      uint64_t tmp=0;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>      <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j=0;j&lt;len;j++){</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>        uint64_t <span class="keywordtype">byte</span> = from_bytes[j];</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>        <span class="keywordtype">int</span> shift = 8*(len - j - 1);</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>        tmp |= <span class="keywordtype">byte</span> &lt;&lt; shift;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>      }</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>      <span class="keywordflow">return</span> tmp;</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>  }</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span> </div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>  uint64_t midi_parse_variable_length(int32_t *offset) {</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>    uint64_t value = 0;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>    int32_t i = *offset;</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span> </div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>    <span class="keywordflow">for</span> (; i &lt; parser_state.in.available(); ++i) {</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>      value = (value &lt;&lt; 7) | (parser_state.in[i] &amp; 0x7f);</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>      <span class="keywordflow">if</span> (!(parser_state.in[i] &amp; 0x80))</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>    }</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>    *offset = i + 1;</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>    <span class="keywordflow">return</span> value;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>  }</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span> </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>  <span class="keyword">enum</span> midi_parser_status midi_parse_header() {</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 14)</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span> </div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>    <span class="keywordflow">if</span> (!parser_state.in.<a class="code hl_function" href="classRingBuffer.html#ab2ebc0b4b037fc62178d87edc00f5677">equals</a>(<span class="stringliteral">&quot;MThd&quot;</span>))</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span> </div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>    parser_state.header.size = midi_parse_be32(parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a95f871c62ad4d6d16ccec67b27aadec9">peekStr</a>(4, 4));</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>    parser_state.header.format = midi_parse_be16(parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a95f871c62ad4d6d16ccec67b27aadec9">peekStr</a>(8, 2));</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>    parser_state.header.tracks_count = midi_parse_be16(parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a95f871c62ad4d6d16ccec67b27aadec9">peekStr</a>(10, 2));</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>    <span class="keywordtype">int</span> time_div = midi_parse_be16(parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a95f871c62ad4d6d16ccec67b27aadec9">peekStr</a>(12, 2));</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>    <span class="keywordflow">if</span> (time_div&gt;0){</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>      parser_state.header.time_division = time_div;</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>    }</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span> </div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>    parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a5772d16e5711646ba34d1ff88a5ef580">consume</a>(14);</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>    parser_state.status_internal = MIDI_PARSER_HEADER;</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>    <span class="keywordflow">return</span> MIDI_PARSER_HEADER;</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>  }</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span> </div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>  <span class="keyword">enum</span> midi_parser_status midi_parse_track() {</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 8)</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span> </div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>    parser_state.track.size = midi_parse_be32(parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a95f871c62ad4d6d16ccec67b27aadec9">peekStr</a>(0, 4));</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>    parser_state.status_internal = MIDI_PARSER_TRACK;</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>    parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a5772d16e5711646ba34d1ff88a5ef580">consume</a>(8);</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>    <span class="comment">// parser.in.available() -= 8;</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>    parser_state.buffered_status = MIDI_STATUS_NA;</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>    <span class="keywordflow">return</span> MIDI_PARSER_TRACK;</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>  }</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span> </div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>  <span class="keywordtype">bool</span> midi_parse_vtime() {</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>    uint8_t nbytes = 0;</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>    uint8_t cont = 1; <span class="comment">// continue flag</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span> </div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>    parser_state.vtime = 0;</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>    <span class="keywordflow">while</span> (cont) {</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>      ++nbytes;</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span> </div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>      <span class="keywordflow">if</span> (parser_state.in.available() &lt; nbytes ||</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>          parser_state.track.size &lt; nbytes)</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span> </div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>      uint8_t b = parser_state.in[nbytes - 1];</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>      parser_state.vtime = (parser_state.vtime &lt;&lt; 7) | (b &amp; 0x7f);</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span> </div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>      <span class="comment">// The largest value allowed within a MIDI file is 0x0FFFFFFF. A lot of</span></div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>      <span class="comment">// leading bytes with the highest bit set might overflow the nbytes</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>      <span class="comment">// counter and create an endless loop. If one would use 0x80 bytes for</span></div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>      <span class="comment">// padding the check on parser.vtime would not terminate the endless</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>      <span class="comment">// loop. Since the maximum value can be encoded in 5 bytes or less, we can</span></div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>      <span class="comment">// assume bad input if more bytes were used.</span></div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>      <span class="keywordflow">if</span> (parser_state.vtime &gt; 0x0fffffff || nbytes &gt; 5)</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span> </div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>      cont = b &amp; 0x80;</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>    }</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span> </div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>    <span class="keywordflow">if</span> (parser_state.in.available()&lt;nbytes){</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>    }</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span> </div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>    parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a5772d16e5711646ba34d1ff88a5ef580">consume</a>(nbytes);</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>    <span class="comment">// parser.in.available() -= nbytes;</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>    parser_state.track.size -= nbytes;</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span> </div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>  }</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span> </div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>  <span class="keyword">enum</span> midi_parser_status midi_parse_channel_event() {</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 2)</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span> </div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>    <span class="keywordflow">if</span> ((parser_state.in[0] &amp; 0x80) == 0) {</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>      <span class="comment">// Shortened event with running status.</span></div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>      <span class="keywordflow">if</span> (parser_state.buffered_status == 0)</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span>        <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>      parser_state.midi.status = parser_state.buffered_status;</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>      <span class="keywordtype">int</span> datalen = midi_event_datalen(parser_state.midi.status);</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>      <span class="keywordflow">if</span> (parser_state.in.available() &lt; datalen)</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>        <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>      parser_state.midi.channel = parser_state.buffered_channel;</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span>      parser_state.midi.param1 = (datalen &gt; 0 ? parser_state.in[0] : 0);</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span>      parser_state.midi.param2 = (datalen &gt; 1 ? parser_state.in[1] : 0);</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span> </div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>      parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a5772d16e5711646ba34d1ff88a5ef580">consume</a>(datalen);</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>      <span class="comment">// parser.in.available() -= datalen;</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>      parser_state.track.size -= datalen;</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>      <span class="comment">// Full event with its own status.</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span>      <span class="keywordflow">if</span> (parser_state.in.available() &lt; 3)</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span>        <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>      parser_state.midi.status = (parser_state.in[0] &gt;&gt; 4) &amp; 0xf;</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>      <span class="keywordtype">int</span> datalen = midi_event_datalen(parser_state.midi.status);</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>      <span class="keywordflow">if</span> (parser_state.in.available() &lt; 1 + datalen)</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span>        <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span>      parser_state.midi.channel = parser_state.in[0] &amp; 0xf;</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>      parser_state.midi.param1 = (datalen &gt; 0 ? parser_state.in[1] : 0);</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>      parser_state.midi.param2 = (datalen &gt; 1 ? parser_state.in[2] : 0);</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span>      parser_state.buffered_status =</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>          (midi_status)parser_state.midi.status; <span class="comment">// ps?</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>      parser_state.buffered_channel = parser_state.midi.channel;</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span> </div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>      parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a5772d16e5711646ba34d1ff88a5ef580">consume</a>(1 + datalen);</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>      <span class="comment">// parser.in.available() -= 1 + datalen;</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span>      parser_state.track.size -= 1 + datalen;</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span>    }</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span> </div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>    <span class="keywordflow">return</span> MIDI_PARSER_TRACK_MIDI;</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>  }</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span> </div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>  <span class="keywordtype">int</span> midi_parse_sysex_event() {</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>    assert(parser_state.in.available() == 0 || parser_state.in[0] == 0xf0);</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span> </div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 2)</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span> </div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>    <span class="keywordtype">int</span> offset = 1;</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>    parser_state.sysex.length = midi_parse_variable_length(&amp;offset);</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>    <span class="keywordflow">if</span> (offset &lt; 1 || offset &gt; parser_state.in.available())</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>    parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a5772d16e5711646ba34d1ff88a5ef580">consume</a>(offset);</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>    <span class="comment">// parser.in.available() -= offset;</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>    parser_state.track.size -= offset;</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span> </div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span>    <span class="comment">// Length should be positive and not more than the remaining size</span></div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>    <span class="keywordflow">if</span> (parser_state.sysex.length &lt;= 0 ||</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>        parser_state.sysex.length &gt; parser_state.in.available())</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span> </div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>    parser_state.sysex.bytes =</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>        parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a95f871c62ad4d6d16ccec67b27aadec9">peekStr</a>(0, parser_state.sysex.length);</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>    parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a5772d16e5711646ba34d1ff88a5ef580">consume</a>(parser_state.sysex.length);</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>    <span class="comment">// parser.in.available() -= parser.sysex.length;</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>    parser_state.track.size -= parser_state.sysex.length;</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>    <span class="comment">// Don&#39;t count the 0xF7 ending byte as data, if given:</span></div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span>    <span class="keywordflow">if</span> (parser_state.sysex.bytes[parser_state.sysex.length - 1] == 0xF7)</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span>      parser_state.sysex.length--;</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span> </div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>    <span class="keywordflow">return</span> MIDI_PARSER_TRACK_SYSEX;</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span>  }</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span> </div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span>  <span class="keyword">enum</span> midi_parser_status midi_parse_meta_event() {</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>    assert(parser_state.in.available() == 0 || parser_state.in[0] == 0xff);</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 2)</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span> </div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>    parser_state.meta.type = parser_state.in[1];</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>    int32_t offset = 2;</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>    parser_state.meta.length = midi_parse_variable_length(&amp;offset);</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span> </div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>    <span class="comment">// Length should never be negative or more than the remaining size</span></div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>    <span class="keywordflow">if</span> (parser_state.meta.length &lt; 0 ||</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>        parser_state.meta.length &gt; parser_state.in.available())</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span> </div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>    <span class="comment">// Check buffer size</span></div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>    <span class="keywordflow">if</span> (parser_state.in.available() &lt; offset ||</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>        parser_state.in.available() - offset &lt; parser_state.meta.length)</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span> </div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>    parser_state.meta.bytes = parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a95f871c62ad4d6d16ccec67b27aadec9">peekStr</a>(offset, parser_state.meta.length);</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>    offset += parser_state.meta.length;</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span> </div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>    <span class="comment">// set tempo meta</span></div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>    <span class="keywordflow">if</span> (parser_state.meta.type==0x51){</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>      parser_state.tempo = midi_parse_N(parser_state.meta.bytes, parser_state.meta.length);</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>    }</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span> </div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>    parser_state.in.<a class="code hl_function" href="classRingBuffer.html#a5772d16e5711646ba34d1ff88a5ef580">consume</a>(offset);</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span>    <span class="comment">// parser.in.available() -= offset;</span></div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>    parser_state.track.size -= offset;</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>    <span class="keywordflow">return</span> MIDI_PARSER_TRACK_META;</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>  }</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span> </div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span> </div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>  <span class="keyword">enum</span> midi_parser_status midi_parse_event() {</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>    parser_state.meta.bytes = NULL;</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span>    <span class="keywordflow">if</span> (!midi_parse_vtime())</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span> </div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>    <span class="comment">// Make sure the parser has not consumed the entire file or track, else</span></div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span>    <span class="comment">// `parser-in[0]` might access heap-memory after the allocated buffer.</span></div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span>    <span class="keywordflow">if</span> (parser_state.in.available() &lt;= 0 || parser_state.track.size &lt;= 0)</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span>      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span> </div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>    <span class="keywordflow">if</span> (parser_state.in[0] &lt; 0xf0) { <span class="comment">// Regular channel events:</span></div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>      <span class="keywordflow">return</span> midi_parse_channel_event();</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span>    } <span class="keywordflow">else</span> {                                         <span class="comment">// Special event types:</span></div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span>      parser_state.buffered_status = MIDI_STATUS_NA; <span class="comment">// (cancels running status)</span></div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span> </div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span>      <span class="keywordflow">if</span> (parser_state.in[0] == 0xf0)</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>        <span class="keywordflow">return</span> (midi_parser_status)midi_parse_sysex_event(); <span class="comment">// ps?</span></div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span> </div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>      <span class="keywordflow">if</span> (parser_state.in[0] == 0xff)</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>        <span class="keywordflow">return</span> midi_parse_meta_event();</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>    }</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>    <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>  }</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span> </div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>  <span class="keyword">enum</span> midi_parser_status midi_parse() {</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span>    <span class="keywordflow">if</span> (parser_state.in.isEmpty())</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span> </div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>    <span class="keywordflow">switch</span> (parser_state.status_internal) {</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>    <span class="keywordflow">case</span> MIDI_PARSER_INIT:</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span>      <span class="keywordflow">return</span> midi_parse_header();</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span> </div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>    <span class="keywordflow">case</span> MIDI_PARSER_HEADER:</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>      <span class="keywordflow">return</span> midi_parse_track();</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span> </div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>    <span class="keywordflow">case</span> MIDI_PARSER_TRACK:</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>      <span class="keywordflow">if</span> (parser_state.track.size == 0) {</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span>        <span class="comment">// we reached the end of the track</span></div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>        parser_state.status_internal = MIDI_PARSER_HEADER;</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>        <span class="keywordflow">return</span> midi_parse();</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span>      }</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>      <span class="keywordflow">return</span> midi_parse_event();</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span> </div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span>      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>    }</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span>  }</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span>};</div>
<div class="ttc" id="aclassMidiFileParser_html"><div class="ttname"><a href="classMidiFileParser.html">MidiFileParser</a></div><div class="ttdoc">Midi File parser. Provide the data via write: You should try to keep the buffer as full as possible w...</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:40</div></div>
<div class="ttc" id="aclassMidiFileParser_html_a00910f57366bdad25f8fe01fef2acc2a"><div class="ttname"><a href="classMidiFileParser.html#a00910f57366bdad25f8fe01fef2acc2a">MidiFileParser::write</a></div><div class="ttdeci">size_t write(const uint8_t *data, size_t len)</div><div class="ttdoc">Feed/Provide the midi data to the parser.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:52</div></div>
<div class="ttc" id="aclassMidiFileParser_html_a0362184b6df710255381582f2033e666"><div class="ttname"><a href="classMidiFileParser.html#a0362184b6df710255381582f2033e666">MidiFileParser::parseTimed</a></div><div class="ttdeci">midi_parser_state &amp; parseTimed()</div><div class="ttdoc">Parse data in order to provide the next midi element considering the times.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:86</div></div>
<div class="ttc" id="aclassMidiFileParser_html_a0dc2762b4d87af0087f21c9c278c5614"><div class="ttname"><a href="classMidiFileParser.html#a0dc2762b4d87af0087f21c9c278c5614">MidiFileParser::availableForWrite</a></div><div class="ttdeci">int availableForWrite()</div><div class="ttdoc">Max number of bytes that we can write.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:65</div></div>
<div class="ttc" id="aclassMidiFileParser_html_a11278448ca897f66eafe820fbca8e73f"><div class="ttname"><a href="classMidiFileParser.html#a11278448ca897f66eafe820fbca8e73f">MidiFileParser::midi_meta_name</a></div><div class="ttdeci">const char * midi_meta_name(int type)</div><div class="ttdoc">Provides the string description for the midi_meta value.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:176</div></div>
<div class="ttc" id="aclassMidiFileParser_html_a286596325645e9cceeed3743606f9bf0"><div class="ttname"><a href="classMidiFileParser.html#a286596325645e9cceeed3743606f9bf0">MidiFileParser::midi_file_format_name</a></div><div class="ttdeci">const char * midi_file_format_name(int fmt)</div><div class="ttdoc">Provides the string description for the file format.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:161</div></div>
<div class="ttc" id="aclassMidiFileParser_html_a52c6ab27a7ec21a9598fa9808f504f83"><div class="ttname"><a href="classMidiFileParser.html#a52c6ab27a7ec21a9598fa9808f504f83">MidiFileParser::midi_status_name</a></div><div class="ttdeci">const char * midi_status_name(int status)</div><div class="ttdoc">Provides the string description for the midi_status value.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:138</div></div>
<div class="ttc" id="aclassMidiFileParser_html_a790c7392e372f2c69fe6b7b34ad6c14f"><div class="ttname"><a href="classMidiFileParser.html#a790c7392e372f2c69fe6b7b34ad6c14f">MidiFileParser::end</a></div><div class="ttdeci">void end()</div><div class="ttdoc">Ends the processing: currently does nothing.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:134</div></div>
<div class="ttc" id="aclassMidiFileParser_html_acb5853d609f260fbafc147989ce1ee22"><div class="ttname"><a href="classMidiFileParser.html#acb5853d609f260fbafc147989ce1ee22">MidiFileParser::parse</a></div><div class="ttdeci">midi_parser_state &amp; parse()</div><div class="ttdoc">Parse data in order to provide the next midi element.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:68</div></div>
<div class="ttc" id="aclassMidiFileParser_html_ad7bbe158a3f1be88652c2b9fff465964"><div class="ttname"><a href="classMidiFileParser.html#ad7bbe158a3f1be88652c2b9fff465964">MidiFileParser::begin</a></div><div class="ttdeci">bool begin(bool log=true, int bufferSize=MIDI_BUFFER_SIZE)</div><div class="ttdoc">Initializes &amp; starts the processing.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:43</div></div>
<div class="ttc" id="aclassRingBuffer_html_a5772d16e5711646ba34d1ff88a5ef580"><div class="ttname"><a href="classRingBuffer.html#a5772d16e5711646ba34d1ff88a5ef580">RingBuffer::consume</a></div><div class="ttdeci">void consume(int offset)</div><div class="ttdoc">Removes the next n characters from the ringbuffer.</div><div class="ttdef"><b>Definition:</b> RingBuffer.h:142</div></div>
<div class="ttc" id="aclassRingBuffer_html_a95f871c62ad4d6d16ccec67b27aadec9"><div class="ttname"><a href="classRingBuffer.html#a95f871c62ad4d6d16ccec67b27aadec9">RingBuffer::peekStr</a></div><div class="ttdeci">uint8_t * peekStr(int idx, int len)</div><div class="ttdoc">returns a temporary copy of the requested bytes</div><div class="ttdef"><b>Definition:</b> RingBuffer.h:117</div></div>
<div class="ttc" id="aclassRingBuffer_html_ab2ebc0b4b037fc62178d87edc00f5677"><div class="ttname"><a href="classRingBuffer.html#ab2ebc0b4b037fc62178d87edc00f5677">RingBuffer::equals</a></div><div class="ttdeci">bool equals(const char *str)</div><div class="ttdoc">Compares the string with the current peek values.</div><div class="ttdef"><b>Definition:</b> RingBuffer.h:136</div></div>
<div class="ttc" id="astructmidi__parser__state_html"><div class="ttname"><a href="structmidi__parser__state.html">midi_parser_state</a></div><div class="ttdoc">MIDI Parser State Information.</div><div class="ttdef"><b>Definition:</b> MidiFileParserState.h:106</div></div>
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